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How can you find pairs of numbers in an array that sum up to a value less than a given number k?
To find pairs of numbers in an array that add up to a value less than a given number k, you can use a two-pointer approach. Sort the array first, then use two pointers - one starting from the beginning and the other from the end. Check the sum of the two numbers pointed by the pointers. If the sum is less than k, increment the left pointer to increase the sum. If the sum is greater than or equal to k, decrement the right pointer to decrease the sum. Repeat this process until the pointers meet or the sum is less than k.
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There are 22 gloves in a drawer 5 pairs of red gloves 4 pairs of yellow and 2 pairs of green you select the gloves in dark and can check them only after a selection is made what is the smallest nu?
The best-case number is, obviously, two. The worst-case number is twelve: one more than the number of gloves of one handedness. Source: http://www.technical-interview.com
What do you call pairs of colors that produce white light?
the name given to two colours that produce white light are called complementary colours.
Can you provide an example of a context-free grammar (CFG) where the number of 'a's and 'b's in a string are the same?
Here is an example of a context-free grammar (CFG) where the number of 'a's and 'b's in a string are the same: S - aSb bSa SS In this CFG, 'S' represents a string where the number of 'a's and 'b's are equal. The rules allow for the production of strings with equal numbers of 'a's and 'b's by recursively adding 'a' and 'b' pairs or by combining two strings with equal numbers of 'a's and 'b's. The '' represents an empty string.
Number of wire pairs in a Category 5 cable?
There are four wire pairs. White/Blue - Blue, White/Orange - Orange, White/Green - Green, and White/Brown - Brown. Only two pairs are used in Cat5 networks.
With the use of unshielded twisted pair copper wire in a network what causes crosstalk with the cable pairs?
the magnetic field around the adjacent pairs of wire
